US Bridges

Happy Valley Road over New River

Good

Maricopa County, Arizona · 0.1 MI W JCT 75th Ave · Structure no. 10704

Built
2009
16 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
240 ft
3 main spans
Daily traffic
11,194
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Happy Valley Road over New River is a prestressed concrete continuous stringer/multi-beam or girder carrying Happy Valley Road over New River in Maricopa County, Arizona. It was built in 2009, so it is 16 years old, younger than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,194 vehicles a day, roughly 5% of them trucks, projected to reach 11,204 by 2042. The structure is 240 ft (73.2 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesHappy Valley Road
CrossesNew River
Location0.1 MI W JCT 75th Ave
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.7109, -112.2217
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span79 ft (24.1 m)
Deck width52 ft (16 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,194 (2024)
Projected traffic11,204 by 2042
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Happy Valley Road over New River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Happy Valley Road over New River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Happy Valley Road over New River carry?

About 11,194 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Happy Valley Road over New River?

The structure is 240 ft (73.2 m) long with a longest span of 79 ft (24.1 m) and a deck 52 ft wide.

Who owns Happy Valley Road over New River?

It is owned by the City or Municipal Highway Agency.